Table 2.

Image similarity measures achieved for the selected sample mages.

Image	Method	TPR	FNR	TNR	FPR	Jaccard	Dice
Image 1	Otsu	0.8035	0.1965	1.0000	0.0000	0.8032	0.8909
	Kapur	0.1348	0.8652	0.9999	0.0001	0.1345	0.2372
	Shannon	0.8804	0.1196	0.9992	0.0008	0.8201	0.9012
	Tsallis	0.8800	0.1200	0.9996	0.0004	0.8518	0.9200
Image 2	Shannon	0.7907	0.2093	0.9992	0.0008	0.7454	0.8541
	Tsallis	0.8339	0.1661	0.9996	0.0004	0.8078	0.8937
Image 3	Shannon	0.8405	0.1595	0.9993	0.0007	0.7841	0.8790
	Tsallis	0.4450	0.1555	0.9993	0.0007	0.7876	0.8812
Image 4	Shannon	0.8912	0.1088	0.9991	0.0009	0.8281	0.9060
	Tsallis	0.8482	0.1581	0.9988	0.0012	0.7750	0.8732
Image 5	Shannon	0.8535	0.1465	0.9998	0.0002	0.8270	0.9053
	Tsallis	0.8261	0.1739	0.9995	0.0005	0.7705	0.8704
Image 6	Shannon	0.9133	0.9986	0.0014	0.0867	0.8019	0.8901
	Tsallis	0.8396	0.1604	0.9998	0.0002	0.8263	0.9049